Antônio Carlos Aguiar Brandão

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BACKGROUND AND OBJECTIVES Low dose ketamine decreases nociception by blocking NMDA receptor channels. Alpha2-adrenergic receptor activation triggers intense analgesic response. This study aimed at evaluating the effects of epidural ketamine, clonidine and dexmedetomidine, in patients undergoing upper abdominal surgery. METHODS Participated in this(More)
BACKGROUND AND OBJECTIVES Clonidine and dexmedetomidine are alpha2-adrenergic agonists with analgesic proprieties which potentiate local anesthetic effects when epidurally administered. The goal of this study was to evaluate the analgesia and sedation promoted by clonidine or dexmedetomidine associated to epidural ropivacaine, in the postoperative period of(More)
BACKGROUND AND OBJECTIVES Prophylaxis of postoperative nausea and vomiting has been the subject of several studies. The objective of the present study was to compare anti-emetics, and their association, in the prevention of postoperative nausea and vomiting. METHODS Seventy patients, ASA I and II, underwent epidural block associated with general(More)
BACKGROUND AND OBJECTIVES Postoperative analgesia is a wish of all surgical patients and has been used by most anesthesiologists. In addition to opioids, local anesthetic agents have been employed for peripheral and central blocks. The purpose of this study was to evaluate and to compare intercostal and interpleural blocks for post-cholecystectomy(More)
OBJECTIVE To evaluate the influence of pulmonary hypertension in the ultra-fast-track anesthesia technique in adult cardiac surgery. METHODS A retrospective study. They were included 40 patients divided into two groups: GI (without pulmonary hypertension) and GII (with pulmonary hypertension). Based on data obtained by transthoracic echocardiography. We(More)
BACKGROUND AND OBJECTIVES The association of drugs with different mechanisms of action in the dorsal horn of the spinal cord decreases postoperative pain, with a reduction in the incidence of side effects. The aim of this study was to evaluate postoperative analgesia and sedation by epidural S(+) ketamine and S(+) ketamine-morphine associated with(More)
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